Home / 18,337.07-25,305.17-9,953.57

Finding the Fourth Proportional to 18,337.07, 25,305.17 and 9,953.57

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Solution

The fourth proportional to 18,337.07, 25,305.17 and 9,953.57 is: 13,735.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.07 : 25,305.17 = 9,953.57 : x
  2. Step 2: Convert to fraction form
    18,337.07/25,305.17 = 9,953.57/x
  3. Step 3: Cross multiply
    18,337.07x = 25,305.17 × 9,953.57
  4. Step 4: Simplify right side
    18,337.07x = 251,876,794.45
  5. Step 5: Solve for x
    x = 251,876,794.45/18,337.07
  6. Step 6: Final answer
    x = 13,735.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.